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Super Investors Michelson Medical Research Foundation, Inc.
MM

Michelson Medical Research Foundation, Inc.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$108M
Positions
21
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (15 quarters reported)

$165M $98.5M
Q4 22 Q3 23 Q2 24 Q1 25 Q4 25 Q2 26

$154M in Q4 2022 → $108M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
IT Ishares Tr 10.9% Unchanged 51,905 $11.8M
VT Vanguard Tax-managed Fds 10.4% Unchanged 158,160 $11.3M
Builders Firstsource Inc 8.0% New 97,000 $8.68M
Cme Group Inc 8.0% New 39,000 $8.61M
VI Vanguard Intl Equity Index F 7.0% Unchanged 127,630 $7.62M
IT Ishares Tr 6.5% Unchanged 35,385 $7.08M
CH Cannae Hldgs Inc 6.4% Unchanged 480,600 $6.92M
IT Ishares Tr 6.2% Unchanged 35,095 $6.67M
SS SPDR Series Trust 4.4% Unchanged 63,510 $4.75M
Safehold Inc 4.3% Unchanged 297,477 $4.67M
MU Manchester Utd PLC New 4.2% Unchanged 200,000 $4.59M
I Ishares Inc 3.8% Unchanged 20,155 $4.07M
VI Vanguard Index Fds 3.1% Unchanged 11,010 $3.34M
I Ishares Inc 2.9% Unchanged 41,850 $3.15M
I Ishares Inc 2.8% Unchanged 27,435 $2.98M
I Ishares Inc 2.6% Unchanged 81,300 $2.8M
AB Atlanta Braves Hldgs Inc 2.2% Unchanged 45,130 $2.34M
Oaktree Specialty Lending 1.9% Unchanged 170,100 $2.03M
I Ishares Inc 1.7% Unchanged 20,100 $1.87M
Crescent Energy Company 1.4% Unchanged 156,166 $1.53M
SI SPDR Index Shs Fds 1.3% Unchanged 16,750 $1.45M

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
Vail Resorts Inc Exited −86,000 −$11M —
Builders Firstsource Inc New +97,000 +$8.68M 8.0%
Cme Group Inc New +39,000 +$8.61M 8.0%
Unitedhealth Group Inc Exited −30,000 −$8.12M —

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
Digitalbridge Group Inc Exited −609,500 −$9.35M —
CH Cannae Hldgs Inc New +480,600 +$5.46M 5.5%
AB Atlanta Braves Hldgs Inc New +45,130 +$1.93M 2.0%
Oaktree Specialty Lending New +170,100 +$1.92M 2.0%
Sturm Ruger & Co Inc Exited −57,500 −$1.88M —

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
VE Vaneck ETF Trust Exited −234,305 −$17.9M —
IT Ishares Tr Exited −116,226 −$11.7M —
Unitedhealth Group Inc New +30,000 +$9.9M 9.9%
Sturm Ruger & Co Inc New +57,500 +$1.88M 1.9%

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr New +116,226 +$11.7M 10.2%
Rentokil Initial PLC Exited −457,815 −$11M —

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Exited −129,990 −$12.7M —
IT Ishares Tr Exited −14,989 −$8.42M —
Digitalbridge Group Inc New +609,500 +$6.31M 6.1%
Safehold Inc New +297,477 +$4.63M 4.4%
Prologis Inc. Exited −28,077 −$3.14M —
BC Burford Cap Ltd Exited −180,000 −$2.38M —
SS SPDR Ser Tr Exited −19,300 −$1.57M —
IT Ishares Tr Trimmed −8,300 −$1.05M 4.3%
Rentokil Initial PLC Trimmed −42,185 −$1.01M 10.5%
NB Neuberger Berman Energy Infr Exited −115,872 −$962K —

Showing the 10 largest of 12 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr New +129,990 +$12.7M 10.6%
Rentokil Initial PLC Added +320,000 +$7.33M 9.6%
LE Lauder Estee Cos Inc Exited −80,000 −$6M —
AR Alexandria Real Estate Eq In Exited −37,230 −$3.63M —
MU Manchester Utd PLC New New +200,000 +$2.62M 2.2%
SC Sun Cmntys Inc Exited −20,000 −$2.46M —
Bxp Inc Exited −21,735 −$1.62M —
SS SPDR Ser Tr Trimmed −12,000 −$973K 1.3%
AC Avalonbay Cmntys Inc Exited −1,947 −$428K —

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
VT Vanguard Tax-managed Fds Trimmed −203,000 −$9.71M 6.3%
Vail Resorts Inc Added +36,000 +$6.75M 13.5%
LE Lauder Estee Cos Inc New +80,000 +$6M 5.0%
VI Vanguard Intl Equity Index F Trimmed −109,000 −$4.8M 4.7%
SC Sun Cmntys Inc Trimmed −30,000 −$3.69M 2.1%
AC Avalonbay Cmntys Inc Trimmed −14,383 −$3.16M 0.4%
SS SPDR Ser Tr Trimmed −37,600 −$2.27M 3.9%
ES Epam Sys Inc Exited −10,000 −$1.99M —
VI Vanguard Index Fds Trimmed −7,900 −$1.9M 2.2%
Prologis Inc. Trimmed −14,328 −$1.51M 2.5%

Showing the 10 largest of 11 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
Vail Resorts Inc New +50,000 +$8.71M 6.1%
CM Compass Minerals Intl Inc New +505,000 +$6.07M 4.3%
AC Avalonbay Cmntys Inc Trimmed −25,170 −$5.67M 2.6%
Rentokil Initial PLC New +180,000 +$4.49M 3.2%
SC Sun Cmntys Inc Added +29,000 +$3.92M 4.8%
IT Ishares Tr Exited −80,000 −$3.37M —
ES Epam Sys Inc New +10,000 +$1.99M 1.4%
BC Burford Cap Ltd Added +60,000 +$796K 1.7%

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